Ferroelectric properties of ultrasonochemically prepared SbSI ethanogel.
This article presents for the first time the electrical properties of sonochemically synthesised, high-surface-area SbSI ethanogel made up of large quantity nanowires with lateral dimensions of about 10-50 nm and lengths reaching up to several micrometers. The composition, morphology, dimensions, microstructures, and optical energy gap of the new form of SbSI were characterized. This material is a semiconducting ferroelectric as in the case of bulk SbSI crystals. The maximum of dielectric constant epsilon=1.6x10(4) is observed at Tc=292(1) K. The activation energies in temperature dependences of electric conductivity of SbSI ethanogel are different for ferroelectric and paraelectric phases during heating and cooling of the sample.
Szperlich
Piotr
P
Solid State Physics Section, Silesian University of Technology, ul. Krasińskiego 8, 40-019 Katowice, Poland.
Nowak
Marian
M
Bober
Lukasz
L
Szala
Janusz
J
Stróz
Danuta
D
D000965:Antimony / Q000737:chemistry; D004553:Electric Conductivity; D000431:Ethanol / Q000138:chemical synthesis* / Q000737:chemistry; D005782:Gels / Q000138:chemical synthesis / Q000737:chemistry; D053770:Nanowires / Q000737:chemistry; D013010:Sonication; D013454:Sulfoxides / Q000138:chemical synthesis* / Q000737:chemistry; D013499:Surface Properties; D013696:Temperature
D005782:Gels; D013454:Sulfoxides; D000431:Ethanol; D000965:Antimony